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- Tasks: Design and develop smart contracts across Ethereum and Solana ecosystems.
- Company: Join a growing engineering team in a dynamic blockchain environment.
- Benefits: Flexible hybrid work, competitive contract rate, and hands-on experience.
- Why this job: Work on real-world blockchain solutions and expand your skills in DLT.
- Qualifications: Experience with Solidity or Rust, and understanding of smart contract security.
- Other info: Opportunity for career growth in an innovative tech space.
The predicted salary is between 48000 - 72000 £ per year.
We are looking for an experienced Blockchain Developer to join a growing engineering team working on real-world smart contract solutions. This will be a hands-on role focused on smart contract development across multiple blockchain ecosystems, with a strong emphasis on Ethereum (Solidity) or Solana (Rust), and exposure to DAML-based enterprise platforms is highly valued.
Location: London (1 day onsite, 4 WFH)
Contract: 6 Months (OIR35)
Rate: £ DOE
What You’ll Be Working On:
- Designing, developing and maintaining smart contracts / on-chain programs
- Building solutions on Ethereum (Solidity) or Solana (Rust)
- Contributing to enterprise distributed ledger workflows (DAML-based platforms)
- Collaborating with engineers and product teams on architecture, security and scalability
- Reviewing, testing, and improving smart contract code
- Supporting integration with off-chain services, APIs, and data layers
Key Skills & Experience:
- Strong experience working with Solidity and Ethereum smart contracts
- And/Or experience developing Solana programs using Rust
- Understanding of smart contract security, testing and optimisation
- Experience working with DAML (desirable but not essential)
- Exposure to XRP Ledger/Ripple concepts or integrations (Bonus)
Why This Role?
- Work across multiple blockchain ecosystems without being siloed
- Opportunity to expand into enterprise DLT and future XRP/Ripple work
- Flexible working pattern with minimal on-site requirement
- Competitive contract rate
- Engineering-led, pragmatic blockchain work (not hype-driven)
If you’re a Blockchain Developer with strong smart contract experience in either Ethereum or Solana and an interest in broader DLT platforms - we’d love to hear from you.
Blockchain Developer in London employer: Oscar
Contact Detail:
Oscar Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Blockchain Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the blockchain space, attend meetups, and join online forums. The more people you know, the better your chances of landing that sweet Blockchain Developer gig.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your smart contract projects on Ethereum or Solana. This will give potential employers a taste of what you can do and set you apart from the competition.
✨Tip Number 3
Prepare for those interviews! Brush up on your knowledge of smart contract security and optimisation. Be ready to discuss your experience with Solidity and Rust, and don’t forget to highlight any work with DAML or XRP concepts.
✨Tip Number 4
Apply through our website! We’re always on the lookout for talented Blockchain Developers. By applying directly, you’ll get noticed faster and have a better chance of landing that contract role with us.
We think you need these skills to ace Blockchain Developer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with Solidity and Ethereum or Rust and Solana. We want to see how your skills match the role, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re passionate about blockchain development and how your experience aligns with our needs. Keep it concise but engaging – we love a good story!
Showcase Your Projects: If you've worked on any smart contracts or blockchain projects, include them in your application. We’re keen to see real-world examples of your work, so links to GitHub or project demos are a big plus!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it’s super easy!
How to prepare for a job interview at Oscar
✨Know Your Smart Contracts
Make sure you brush up on your knowledge of smart contracts, especially in Solidity and Rust. Be ready to discuss your past projects and how you've tackled challenges in smart contract development.
✨Showcase Your Problem-Solving Skills
Prepare to demonstrate your problem-solving abilities. Think of specific examples where you've improved code security or optimised smart contracts. This will show that you can think critically and contribute to the team.
✨Familiarise Yourself with DAML
Even though experience with DAML isn't essential, having a basic understanding can set you apart. Do some research on DAML-based enterprise platforms and be prepared to discuss how they integrate with blockchain solutions.
✨Ask Insightful Questions
Interviews are a two-way street! Prepare thoughtful questions about the company's approach to blockchain development, their engineering culture, and how they handle scalability and security. This shows your genuine interest in the role.